injection

noun

in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
a
: an act or instance of injecting
b
: the placing of an artificial satellite or a spacecraft into an orbit or on a trajectory
also : the time or place at which injection occurs
2
: something (such as a medication) that is injected
3
: a mathematical function that is a one-to-one mapping compare bijection, surjection

Examples of injection in a Sentence

The medicine cannot be taken orally; it must be given by injection. an injection of a painkiller The struggling company needed an injection of cash.
Recent Examples on the Web Plans for the cash injection come as the Hong Kong film industry is still struggling to return to pre-pandemic box office levels — last year’s $183 million total was still 25 percent down on 2019. Mathew Scott, The Hollywood Reporter, 11 Mar. 2024 Creech was sentenced to death in 1983 — just one year after Texas conducted the first execution by lethal injection in the U.S. in late 1982. Bill Chappell, NPR, 6 Mar. 2024 Depending on the severity of the condition, patients can manage Type 2 diabetes with diet management, exercise, oral medications or insulin injections. Natallie Rocha, San Diego Union-Tribune, 6 Mar. 2024 Making its planned 2027 and 2028 launch dates for the lander and orbiter is likely impossible, the review noted, and even a 2030 launch looks dubious without a massive injection of cash far greater than what Congress has budgeted. Corinne Purtill, Los Angeles Times, 6 Mar. 2024 There were enough patient deaths during Brazilian butt lift surgeries before 2019 that the Florida Board of Medicine issued an emergency rule prohibiting the injection of fat into the intramuscular or submuscular area of the buttocks. David J. Neal, Miami Herald, 5 Mar. 2024 About 60 people are on death row in Louisiana, but the state has not put anyone to death since 2010, last using lethal injection. Erik Ortiz, NBC News, 29 Feb. 2024 Creech's attorneys with the Federal Defender Services of Idaho said in a statement that state officials tried and failed 10 times to access veins in both of his arms and legs to inject him with the lethal injection drug pentobarbital. Melissa Quinn, CBS News, 28 Feb. 2024 Thomas Eugene Creech was scheduled to be executed by lethal injection Wednesday, according to the Idaho Department of Correction, in what would have been the state's first execution in 12 years. James Powel, USA TODAY, 29 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'injection.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of injection was in the 15th century

Dictionary Entries Near injection

Cite this Entry

“Injection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/injection. Accessed 28 Mar. 2024.

Kids Definition

injection

noun
in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
: an act or instance of injecting
2
: something (as a medical drug) that is injected

Medical Definition

injection

noun
in·​jec·​tion in-ˈjek-shən How to pronounce injection (audio)
1
a
: the act or an instance of injecting a drug or other substance into the body
b
: a solution (as of a drug) intended for injection (as by catheter or hypodermic syringe) either under or through the skin or into the tissues, a vein, or a body cavity
c
: an act or process of injecting vessels or tissues
also : a specimen prepared by injection
2
: the state of being injected : congestion see circumcorneal injection
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!